. >> the family used to live in san francisco. in fact, the dad was flying home from sfo when police say the nanny stabbed his two kids in the bathtub. cbs 5 reporter sharon chin went to their old bay area neighborhood. >> what happened? >> it's terrible. >> reporter: lauren lived next door to the krim family before they moved to new york two years ago. she can't believe two of the three children are gone. >> they were always like in the backyard, or playing around, so i -- i just can't even imagine. >> reporter: marina krim discovered six-year-old lulu and two-year-old leo stabbed to death in the family's bathtub thursday night. the nanny, yoselyn ortega, next to them. she was wheeled away in a stretcher. police say she tried to slit her own wrists and neck. >> terrifying. >> reporter: police escorted marina krim and her remaining three-year-old daughter away in a sheet. krim's husband, kevin krim, a digital media executive, was just returning from a business trip in san francisco. nannies and mothers we talked to say ortega comm